Publications

Journal Papers

• Takao Saiki, Keitaro Shimada, Ayumu Ishijima, Hang Song, Xinyi Qi, Yuki Okamoto, Ayako Mizushima, Yoshio Mita, Takuya Hosobata, Masahiro Takeda, Shinya Morita, Kosuke Kushibiki, Shinobu Ozaki, Kentaro Motohara, Yutaka Yamagata, Akira Tsukamoto, Fumihiko Kannari, Ichiro Sakuma, Yuki Inada, Keiichi Nakagawa. Single-shot optical imaging with spectrum circuit bridging timescales in high-speed photography. Science Advances 9, eadj8608 (2023). 

• Keitaro Shimada,  Ayumu Ishijima, Takao Saiki, Yuki Inada, Keiichi Nakagawa. Spectrum shuttle for producing spatially shapable GHz burst pulses. Advanced Photonics Nexus 3(1) 016002 (2023). COVER IMAGE

• Satoshi Yamaguchi, Miho Kisaka, Kotaro Higashi, Ayumu Ishijima, Takashi Azuma, Keiichi Nakagawa, Yoshikazu Shibasaki, Ichiro Sakuma, Akimitsu Okamoto. Cytosolic protein delivery using ultrasound-guided vaporization of perfluorocarbon nano-droplets. Biotechnology Journal 18, e2300018 (2023). 

• Fumiki Sensui, Mizuki Uenomachi, Kenji Shimazoe, Hiroyuki Takahashi, Zhong Zhihong, Ayumu Ishijima, Keiichi Nakagawa. Measurement of angular correlation changes in double-photon emission nuclides using ultrasound irradiation. Journal of Instrumentation 18 (4), C04001 (2023). 

• Ayumu Ishijima*, Shinga Okabe, Ichiro Sakuma, and Keiichi Nakagawa. Dispersive coherent Brillouin scattering spectroscopy. Photoacoustics 29, 100447 (2023). 

• Haixiao Fan, Kenta Shimba, Ayumu Ishijima*, Kenya Sasaoka, Tsuyoshi Takahashi, Eigo Saka, Chih-Hsiang Chang, Yasuhiko Jimbo, Takashi Azuma, and Shu Takagi. Acoustic frequency-dependent physical mechanism of sub-MHz ultrasound neurostimulation. Japanese Journal of Applied Physics 61, 127001 (2022).

• Keitaro Shimada, Yuki Inada, Ayumu Ishijima, and Keiichi Nakagawa. Optical design of a laser wavefront sensor applicable under strong diffraction effects by irreproducible microscale high-density plasma. Measurement Science and Technology 33 (5), 055403 (2022).

• Stefan Wunderl, Ayumu Ishijima, Etsuo Susaki, Zihui Xu, Hong Song, Honghao Zha, Takashi Azuma, Ichiro Sakuma, Hiroki Fukuoka, Eiji Okada, Hiroki R. Ueda, Shu Takagi, and Keiichi Nakagawa. Acoustic light-sheet microscopy. bioRxiv (2021) https://doi.org/10.1101/2021.08.20.457051. 

• 島田啓太郎, 石島歩, 佐伯峻生, 佐久間一郎, 稲田優貴, 中川桂一. 二波長帯伸長パルスによるシングルショット透過光分光イメージング. レーザー研究, 49, 240-244 (2021) . 

• Junichi Sugita, Katsuhito Fujiu, Yukiteru Nakayama, Takumi Matsubara, Jun Matsuda, Tsukasa Oshima, Yuxiang Liu, Yujin Maru, Eriko Hasumi, Toshiya Kojima, Hiroshi Seno, Keisuke Asano, Ayumu Ishijima, Naoki Tomii, Masatoshi Yamazaki, Fujimi Kudo, Ichiro Sakuma, Ryozo Nagai, Ichiro Manabe, and Issei Komuro. Cardiac macrophages prevent sudden death during heart stress. Nature Communications 12, 1910 (2021). 

• Seiichi Ohta, Emi Kikuchi, Ayumu Ishijima, Takashi Azuma, Ichiro Sakuma, and Taichi Ito. Investigating the optimum size of nanoparticles for their delivery into the brain assisted by focused ultrasound-induced blood–brain barrier opening. Scientific Reports  10, 18220 (2020). 

• Takao Saiki, Takuya Hosobata, Yukihiro Kono, Masahiro Takeda, Ayumu Ishijima, Miu Tamamitsu, Yutaro Kitagawa, Keisuke Goda, Shinya Morita, Shinobu Ozaki, Kentaro Motohara, Yutaka Yamagata, Keiichi Nakagawa, and Ichiro Sakuma. Sequentially timed all-optical mapping photography boosted by a branched 4f system with a slicing mirror. Optics Express 28(21), 31914 (2020).

• Ayumu Ishijima, Ukyo Yagyu, Kenta Kitamura, Akira Tsukamoto, Ichiro Sakuma, and Keiichi Nakagawa. Nonlinear photoacoustic waves for light guiding to deep tissue sites. Optics Letters 44, 3006-3009 (2019). EDITORS' PICK

• Ayumu Ishijima, Satoshi Yamaguchi, Takashi Azuma, Etsuko Kobayashi, Yoshikazu Shibasaki, Teruyuki Nagamune, and Ichiro Sakuma. Selective intracellular delivery of perfluorocarbon nanodroplets for cytotoxicity threshold reduction on ultrasound‐induced vaporization. Cancer Reports, e1165 (2019). COVER IMAGE

• Ayumu Ishijima, Kosuke Minamihata, Satoshi Yamaguchi, Shinya Yamahira, Rumi Ichikawa, Etsuko Kobayashi, Mariko Iijima, Yoshikazu Shibasaki, Takashi Azuma, Teruyuki Nagamune, and Ichiro Sakuma. Selective intracellular vaporisation of antibody-conjugated phase-change nano-droplets in vitro. Scientific Reports 7, 44077 (2017).

• 石島歩，小関義彦，東隆，山本恵介，立石敬介，鎮西清行，佐久間一郎，小林英津子．手術機器が与える熱損傷の非臨床的評価手法に関する調査．日本コンピュータ外科学会誌 19(2)，63-73 (2017).

• Ayumu Ishijima, Yoshihiko Koseki, Takehiro Ando, Ichiro Sakuma, and Etsuko Kobayashi. Preclinical Methods to Assess Collateral Mechanical Damage to Tissues Caused by Surgical Procedures and Devices. Journal of Japan Society of Computer Aided Surgery 18(1), 19–32 (2016).  

• Ayumu Ishijima, Jun Tanaka, Takashi Azuma, Kosuke Minamihata, Satoshi Yamaguchi, Etsuko Kobayashi, Teruyuki Nagamune, and Ichiro Sakuma. The lifetime evaluation of vapourised phase-change nano-droplets. Ultrasonics 69, 97–105 (2016). 

• Ayumu Ishijima, Richard A. Schwarz, Dongsuk Shin, Sharon Mondrik, Nadarajah Vigneswaran, Ann M. Gillenwater, Sharmila Anandasabapathy, and Rebecca Richards-Kortum. Automated frame selection process for high resolution microendoscopy. Journal of Biomedical Optics 20(4), 046014 (2015). 

解説

• 石島歩，中川桂一．音響技術を用いた生体深部への光導波技術の現状と課題．細胞，54巻13号，53-57 (2022).

• 石島歩，Stefan Wunderl，宋航，中川 桂一．音波が操る生体試料中の光伝播．レーザー研究，50巻2号，72–76 (2022).

• 宋航，佐伯峻生，石島歩，中川桂一．パルス音波と生体の相互作用に基づく光バイオ技術の創出 (進化する光バイオ技術とその応用)． 光技術コンタクト，59巻10号，45-52 (2021).

• 石島歩，中川桂一．生体内への音響的な光ファイバ形成．細胞，52巻2号，42-46 (2020).

• 石島歩，東隆，南畑孝介，山口哲志，小林英津子，長棟輝行，佐久間一郎．相変化ナノ液滴気泡化時の周囲温度調節による気泡寿命制御．超音波Techno 28(6), 89–96 (2016). 

特許

• 江幡 定生, 東 隆, 佐久間 一郎, 高木 周, 石島 歩, 田中 純．WO2017-077605 A1 超音波医療装置.